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Academic literature on the topic 'Modulation par décalage de phase'
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Journal articles on the topic "Modulation par décalage de phase"
Gebeile-Chauty, Sarah, Mélanie Perret, Anne-Marie Schott, and Jean-Jacques Aknin. "Traitement interceptif de classe III : une étude de cohorte à long terme." L'Orthodontie Française 81, no. 3 (August 17, 2010): 245–54. http://dx.doi.org/10.1051/orthodfr/2010025.
Full textJandot, Antonin, Hugo Calligaro, Christine Coutanson, and Ouria Dkhissi-Benyahya. "Rôle des bâtonnets dans le décalage de phase par la lumière des horloges rétinienne et centrale." Médecine du Sommeil 18, no. 4 (December 2021): 197. http://dx.doi.org/10.1016/j.msom.2021.10.030.
Full textBasarab, Adrian, Patrick Clarysse, Theo Arts, Christian Cachard, Pierre Croisille, and Philippe Delachartre. "Estimation de mouvement par décalage de phase et maillage déformable appliquée à des séquences cardiaques d’IRM marquées." Traitement du signal 28, no. 6 (December 28, 2011): 643–63. http://dx.doi.org/10.3166/ts.28.643-663.
Full textBailleau, Aude, Jean-Jacques Aknin, and Sarah Gebeile-Chauty. "Traitements orthodontiques en une ou deux phases : comparaisons." L'Orthodontie Française 83, no. 4 (December 2012): 289–96. http://dx.doi.org/10.1051/orthodfr/2012027.
Full textAuzou, G., F. Brunat, S. Clot, T. Rocher, J. Turck, L. Maggio, B. Bollen Pinto, D. Viglino, D. Savary, and L. Belle. "Bloc auriculoventriculaire du troisième degré et infarctus du myocarde à la prise en charge initiale." Annales françaises de médecine d’urgence 8, no. 2 (April 2018): 89–93. http://dx.doi.org/10.3166/afmu-2018-0013.
Full textConstantinesco, A., P. Gries, J. J. Mallet, and A. Bonmartin. "Analyse des écoulements fluides par modulation de phase des signaux RMN." Archives Internationales de Physiologie et de Biochimie 93, no. 5 (January 1985): 77–86. http://dx.doi.org/10.3109/13813458509080628.
Full textDulude, Dominic, and Léa Brakier-Gingras. "Quand une structure particulière de l’ARN du VIH-1 conduit à un décalage de phase : perspectives pour le traitement de l’infection par le VIH." médecine/sciences 22, no. 11 (November 2006): 969–72. http://dx.doi.org/10.1051/medsci/20062211969.
Full textMarc, M., J. M. Mérolla, L. Durrafourg, J. P. Goedgebuer, and W. T. Rhodes. "Transmission quantique de clés de cryptage en milieu aérien par codage en phase de bandes latérales de modulation." Journal de Physique IV (Proceedings) 12, no. 5 (June 2002): 193–94. http://dx.doi.org/10.1051/jp4:20020129.
Full textGeoffroy, P. A. "Y-a-t-il des marqueurs circadiens prédictifs de la réponse au lithium ?" European Psychiatry 28, S2 (November 2013): 97. http://dx.doi.org/10.1016/j.eurpsy.2013.09.259.
Full textNkurunziza, Aimable, Geldine Chironda, Godfrey Katende, Lakshmi Rajeswaran, Emmanuel Munyaneza, and Madeleine Mukeshim. "Medication interruptions and associated factors among nurses working in pediatric unit at a selected referral hospital in Rwanda." Research Journal of Health Sciences 9, no. 4 (December 13, 2021): 320–29. http://dx.doi.org/10.4314/rejhs.v9i4.1.
Full textDissertations / Theses on the topic "Modulation par décalage de phase"
Al, Attar Houssein. "Bidirectional Electric Vehicle Charger Control." Thesis, Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0043.
Full textIn this thesis, part of the chair Renault/Centrale Nantes, the aim is to design control strategies to improve the performance and efficiency of the bidirectional charger of the Electric Vehicle (EV). In the discharging mode, the new challenge is to design a Phase Shift Modulation (PSM) strategy to improve the operating zone and efficiency of the DC-DC converter. The control law is based on the DC-DC LLC gaininversion. In terms of cost, the contribution is mainly about the design of an optimization strategy, not only to reduce the sizing of the DC-DC LLC converter, but also to improve the performance of the Pulse Frequency Modulation (PFM) strategy. Then, a large signal model of the LLC converter based on the PSM strategy is developed. The main contribution consists of implementing robust control strategies, such as model-free control and adaptive super twisting control, combined with the PSM strategy. On the other hand, the key contribution leads to provide a hybrid control strategy of the charger in order to be able to regulate the DC bus voltage in the saturation zones of the DC-DCconverter. Finally, a new topology of an EV charger with the DAB structure is studied. A backstepping control strategy is proposed to regulate the DC bus voltage and the grid current. Different modulation strategies, such as single and dual phase shift modulation,are studied. Simulation results of real charger models are presented in order to highlight the effectiveness of the proposed control strategies
Abedrabou, Mohamed Cheiki. "Transmission par modulation à décalage d'une porteuse : conception et réalisation." Nancy 1, 1990. http://www.theses.fr/1990NAN10049.
Full textToulon, Bruno. "La mesure d'amplitudes complexes par interférométrie à décalage multi-latéral." Phd thesis, Université Paris Sud - Paris XI, 2009. http://tel.archives-ouvertes.fr/tel-00441279.
Full textAknoun, Sherazade. "Analyse quantitative d’images de phase obtenues par interféromètrie à décalage quadri-latéral. Applications en biologie." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4358/document.
Full textThe aim of this thesis, dedicated to the study and quantitative analysis of phase images obtained thanks to quadri-wave lateral shearing interferometry, is to caracterize a metrological tool and its three proposed different applications.This work has been done in collaboration between Institut Fresnel (Marseille, France) and Phasics company (Palaiseau, France) and continues that of Pierre Bon who has been in charge the application this technique to microscopy. This interferometric technique, developped by Phasics, for optical metrology and lasers characterization, allows to record complex eletromagnetic field maps thanks to a wave front measurement. By using it in the microscope image plane, one can obtain inetnsity and optical path difference images of a semi-transparent biological sample. this technique is now considered as a new quantitative phase contrast technique.The first part of this manuscript will be a state of the art of quantitative microscopy techniques. The issues of quantification and its meanings in the framework of different fluorescent and phase based techniques will be discussed.A description of the technique that is used and its comparison with similar phase techniques will be done.The measurement, under the projective approximation, is studied leading to different variables. We show different applications concerning isotropic elements in a first part and anisotropic elements in the second one.We show how this measurement is trnasposed to the third dimensions allowing three dimensional imaging and complete reconstruction of refractive index maps of biological samples
Bon, Pierre. "Imagerie microscopique de champs électromagnétiques par interférométrie à décalage quadri-latéral. Applications à la biologie." Thesis, Aix-Marseille 3, 2011. http://www.theses.fr/2011AIX30036.
Full textThe aim of this thesis is the use of a quadriwave lateral shearing interferometer for transmission microscopic imaging. First developped for optical metrology and laser beam caracterisation by the Phasics company (Palaiseau), this interferometric technique gives complexe electromagnetic field cartography by wavefront sensing. Using a microscope in imaging conditions, we obtained intensity and optical path difference images introduced by a semi-transparent sample. Thereby, we defined a new quantitative phase contrast technique.This work is co-directed by the Fresnel Institute and the Phasics company (CIFRE convention), in collaboration with the Centre Immunologique de Marseille Luminy. In this thesis, first we discuss the wavefront sensor use as a sensor plugged on the classical optical microscope image plane ; then we consider two models for optical path difference image formation. The first one, named object space projection, supposes a direct measurement of the optical path difference introduced by a sample. We show that this hypothesis is valid for two particular applications : dry matter determination within a biological sample, and temperature distribution induced by gold nano-particule heating. Thesecond model takes into account the simple sample diffraction and the optical device filtering depending on the illumination angle. This second approach allows us to build a model for intensity and optical path difference image formation for any planewave illumination. So we studied the image formation from a spatially partial incoherent illumination to a complete incoherent illumination. We made electromagnetic field measurements with the wavefront sensor in this last case. Then we discuss semi-transparent tomographic reconstruction by measurements in different imaging planes.One chapter is dedicated to quantitative phase imaging in biology, in particular with mitotic index determination within a cell population
Rizzi, Julien. "Imagerie de phase quantitative par interférométrie à décalage quadri-latéral. Application au domaine des rayons x durs." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00917590.
Full textRizzi, J. "Imagerie de phase quantitative par interféromètre à décalage quadri-latéral. Application au domaine des rayons X durs." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-01020084.
Full textHanna, Marc. "Système de communication par modulation de phase différentielle de solitons." Phd thesis, Université de Franche-Comté, 2000. http://tel.archives-ouvertes.fr/tel-00519892.
Full textMerolla, Jean-Marc. "Cryptographie quantique par codage en phase de bandes laterales de modulation." Besançon, 1999. http://www.theses.fr/1999BESA2007.
Full textZhu, Yunlong. "Exploration of Interferometric Detection Methods based on Continuous Phase Modulation." Thesis, Troyes, 2018. http://www.theses.fr/2018TROY0024.
Full textIn this thesis, interference signals with continuous phase modulations are theoretically and experimentally analyzed in order to develop cost-efficient solutions for sensing application in mechanics and optics.Several common phase modulation functions and phase retrieval algorithms are presented. We mainly focus on sinusoidal phase modulation (SPM), which is especially attractive for the most accessible modulators (e.g. electro-optical or piezoelectrical modulators). In such case, the demodulation process must handle synchronization issue as well as a possible intensity modulation induced by the SPM. Mathematical solutions are proposed in this context. These demodulation techniques are then applied to three experimental devices developed during this thesis. First of all, a lens-less co-axis digital holography setup has been built, and SPM has been applied for imaging and displacement measurement. Then we use a dual-frequency modulation technique to perform two-dimensional deformation field measurements using an original ESPI (Electronic Speckle Pattern Interferometry) device. This approach allows for simultaneous measurement of the displacement along two different axes using a single laser and a single camera. Finally, we present a compact SPR (Surface Plasmon Resonance) instrument implementing SPM interferometric detection through wavelength modulation, where the amplitude modulation is successfully taken into account